Merge pull request #62 from pah/fixes/msvc

Fixes and cleanups for MSVC 

build/premake4.lua

@@ -64,7 +64,7 @@ solution "test"
 		defines { "_CRT_SECURE_NO_WARNINGS" }
 		
 	configuration "gmake"
-		buildoptions "-msse4.2 -Werror -Wall -Wextra -Wswitch-default"
+		buildoptions "-msse4.2 -Werror -Wall -Wextra"
 
 	project "gtest"
 		kind "StaticLib"
@@ -87,7 +87,7 @@ solution "test"
 		kind "ConsoleApp"
 		
 		if _ACTION == "gmake" then
-			buildoptions "-Weffc++"
+			buildoptions "-Weffc++ -Wswitch-default"
 		end
 
 		files { 

include/rapidjson/document.h

@@ -501,7 +501,7 @@ public:
 		\see GenericStringRef, operator=(T)
 	*/
 	GenericValue& operator=(StringRefType str) {
-		return (*this).template operator=<StringRefType>(str);
+		return (*this).operator=<StringRefType>(str);
 	}
 
 	//! Assignment with primitive types.

include/rapidjson/encodings.h

@@ -3,7 +3,10 @@
 
 #include "rapidjson.h"
 
-#ifdef __GNUC__
+#ifdef _MSC_VER
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(4244) // conversion from 'type1' to 'type2', possible loss of data
+#elif defined(__GNUC__)
 RAPIDJSON_DIAG_PUSH
 RAPIDJSON_DIAG_OFF(effc++)
 #endif
@@ -529,7 +532,7 @@ struct Transcoder<Encoding, Encoding> {
 
 } // namespace rapidjson
 
-#ifdef __GNUC__
+#if defined(__GNUC__) || defined(_MSV_VER)
 RAPIDJSON_DIAG_POP
 #endif
 

include/rapidjson/internal/strfunc.h

@@ -13,8 +13,7 @@ namespace internal {
 template <typename Ch>
 inline SizeType StrLen(const Ch* s) {
 	const Ch* p = s;
-	while (*p != '\0')
-		++p;
+	while (*p) ++p;
 	return SizeType(p - s);
 }
 

include/rapidjson/reader.h

@@ -9,6 +9,10 @@
 #include "internal/pow10.h"
 #include "internal/stack.h"
 
+#if defined(RAPIDJSON_SIMD) && defined(_MSC_VER)
+#include <intrin.h>
+#pragma intrinsic(_BitScanForward)
+#endif
 #ifdef RAPIDJSON_SSE42
 #include <nmmintrin.h>
 #elif defined(RAPIDJSON_SSE2)
@@ -16,8 +20,8 @@
 #endif
 
 #ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4127) // conditional expression is constant
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(4127)  // conditional expression is constant
 #endif
 
 #ifndef RAPIDJSON_PARSE_ERROR_NORETURN
@@ -769,7 +773,7 @@ typedef GenericReader<UTF8<>, UTF8<> > Reader;
 } // namespace rapidjson
 
 #ifdef _MSC_VER
-#pragma warning(pop)
+RAPIDJSON_DIAG_POP
 #endif
 
 #endif // RAPIDJSON_READER_H_

include/rapidjson/writer.h

@@ -8,8 +8,8 @@
 #include <new>		// placement new
 
 #ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4127) // conditional expression is constant
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
 #endif
 
 namespace rapidjson {
@@ -185,7 +185,7 @@ protected:
 		char buffer[10];
 		char *p = buffer;
 		do {
-			*p++ = (u % 10) + '0';
+			*p++ = char(u % 10) + '0';
 			u /= 10;
 		} while (u > 0);
 
@@ -306,7 +306,7 @@ private:
 } // namespace rapidjson
 
 #ifdef _MSC_VER
-#pragma warning(pop)
+RAPIDJSON_DIAG_POP
 #endif
 
 #endif // RAPIDJSON_RAPIDJSON_H_

test/perftest/rapidjsontest.cpp

@@ -242,7 +242,7 @@ TEST_F(RapidJson, PrettyWriter_StringBuffer) {
 TEST_F(RapidJson, internal_Pow10) {
 	double sum = 0;
 	for (size_t i = 0; i < kTrialCount * kTrialCount; i++)
-		sum += internal::Pow10(i & 255);
+		sum += internal::Pow10(int(i & 255));
 	EXPECT_GT(sum, 0.0);
 }
 

test/unittest/unittest.h

@@ -27,10 +27,10 @@
 #endif
 
 template <typename Ch>
-inline size_t StrLen(const Ch* s) {
+inline unsigned StrLen(const Ch* s) {
 	const Ch* p = s;
 	while (*p) p++;
-	return p - s;
+	return unsigned(p - s);
 }
 
 template<typename Ch>